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[BUG/PRB.] VFP 9.0 FIX - THE NUMBER OF TIMES TO TRY AGAIN AFTER REMOVE DIRECTORY FAILED
January 2024
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CCB
1. BUG:
In vfp9 (and vfp6, vfp7, vfp8), somtimes the RMDIR (or RD) command runs failed on Windows Vista or later.
2. CAUSE:
There are some compatible problems when the RMDIR (or RD) command calls the _rmdir Windows API
for the Windows Defender program or the antivirus programs.
Now if the RMDIR (or RD) command calls the _rmdir Windows API failed,
it will call the _rmdir Windows API many times again.
There are some BUGs in the following code.
3. RESOLUTION:
We can write some code to fix the BUG.
Label75fcb2 ::
call Fun42c1e2 ;0x0075fcb2 : e82bc5ccff
;
; --------------------------------------------------------------------------------------
; VFP 9.0 FIX - THE NUMBER OF TIMES TO TRY AGAIN AFTER REMOVE DIRECTORY FAILED
; March 2019
; --------------------------------------------------------------------------------------
; CCB
;
; The number of times to try again after remove directory failed.
;
; 2019/3/6, by ccb
;
; lea eax , dword ptr [ esp + 16 ] ;0x0075fcb7 : 8d442410
; push eax ;0x0075fcbb : 50
; call _rmdir ;0x0075fcbc : ff1524799100
; add esp , 04h ;0x0075fcc2 : 83c404
; call Label42d319 ;0x0075fcc5 : e84fd6ccff
mov dword ptr vfpa_rmdir_rmdir_cnt,00h
Label75fcb7 ::
lea eax , dword ptr [ esp + 16 ]
push eax
call _rmdir
add esp , 04h
call Label42d319
test eax , eax
je Label75fcca
cmp eax , 078h
je Label75fcca
mov ecx,dword ptr vfpa_sys9017_data
inc dword ptr vfpa_rmdir_rmdir_cnt
cmp dword ptr vfpa_rmdir_rmdir_cnt,ecx
ja Label75fcca
push dword ptr vfpa_sys9074_data
call Sleep
jmp Label75fcb7
Label75fcca ::
cmp eax , 078h ;0x0075fcca : 83f878
jne Label75fcd6 ;0x0075fccd : 7507
mov eax , 03C3h ;0x0075fccf : b8c3030000
jmp Label75fcda ;0x0075fcd4 : eb04
Label75fcd6 ::
test eax , eax ;0x0075fcd6 : 85c0
je Label75fce1 ;0x0075fcd8 : 7407
Label75fcda ::
mov ecx , eax ;0x0075fcda : 8bc8
call Fun544742 ;0x0075fcdc : e8614adeff
Label75fce1 ::
mov ecx , dword ptr [ esp + 011Ch ] ;0x0075fce1 : 8b8c241c010000
call Fun42bf1d ;0x0075fce8 : e830c2ccff
pop edi ;0x0075fced : 5f
pop esi ;0x0075fcee : 5e
mov esp , ebp ;0x0075fcef : 8be5
pop ebp ;0x0075fcf1 : 5d
ret ;0x0075fcf2 : c3
4. APPLIES TO:
VFP 6.0.8167.0
VFP 6.0.8961.0 (SP5)
VFP 7.0.0.9262
VFP 7.0.0.9465 (SP1)
VFP 8.0.0.2521
VFP 8.0.0.3117 (SP1)
VFP 9.0.0.2412
VFP 9.0.0.3504 (SP1)
VFP 9.0.0.4611 (SP2)
VFP 9.0.0.5015 (SP2)
VFP 9.0.0.5411 (SP2)
VFP 9.0.0.5721 (SP2)
VFP 9.0.0.5815 (SP2)
VFP 9.0.0.6303 (SP2)
VFP 9.0.0.6602 (SP2)
VFP 9.0.0.7423 (SP2)
The bug has been fixed in VFP Advanced.
5. REFERENCE WEBSITES:
1, baiyujia.com:
http://www.baiyujia.com
http://www.baiyujia.com/vfpdocuments/f_vfp9fix73.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix65.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix66.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix67.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix68.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix69.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix70.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix71.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix72.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix84.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix85.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix107.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix108.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix109.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix110.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix143.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix144.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix145.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix146.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix147.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix148.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix149.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix150.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix203.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix261.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix262.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix269.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix270.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix278.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix279.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix348.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix349.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix350.asp
http://www.baiyujia.com/vfpdocuments/f_vfp9fix351.asp
2, microsoft.com:
https://devblogs.microsoft.com/oldnewthing/20120907-00/?p=6663
6. OTHER:
For reference only, there is no guarantees.
Any questions or suggestions, please send me an email at ccb2000@163.com.
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